Suzuki DF115A - TROUBLESHOOTING COMMON ISSUES

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TROUBLESHOOTING
This troubleshooting guide is provided to help
you find the cause of common complaints.
Starter motor will not operate:
• Shift lever is not in NEUTRAL.
• Fuse is blown out.
• Emergency stop switch lock plate is not in
position.
Engine will not start (hard to start):
• Fuel tank is empty.
• Fuel hose is not properly connected to
engine.
• Fuel hose is kinked or pinched.
• Spark plug is fouled.
Engine idles unstably or stalls:
• Fuel hose is kinked or pinched.
• Spark plug is fouled.
Engine speed will not increase (Engine
power is low):
• Engine is overloaded.
• Caution/Diagnosis system is activated.
• Propeller is damaged.
• Propeller is not properly matched to loads.
Engine vibrates excessively:
• Engine mounting bolts or clamp screws are
loose.
• Foreign object (seaweed etc.) is tangled on
propeller.
• Propeller is damaged.
NOTICE
Failure to troubleshoot a problem cor-
rectly can damage your outboard motor.
Improper repairs or adjustments may
damage the outboard motor instead or
fixing it. Such damage may not be cov-
ered under warranty.
If you are not sure about the proper
action to correct a problem, consult your
Suzuki marine dealer.
Engine overheats:
• Cooling water intake(s) are blocked.
• Engine is overloaded.
• Propeller is not properly matched to loads.
The Keyless Start System does not turn
ON even when the main switch is oper-
ated. The error sound (five short buzzer
beeps) is NOT
heard:
(If equipped with Keyless Start System)
• Emergency stop switch lock plate is not in
position.
• The main switch has been operated continu-
ously while the communication with the key-
fob is disabled.
• Battery terminal connection is corroded or
lost.
• Battery power is lost.
• Keyless control unit failure.
• Electric wiring connection is loose.
• Remote control box failure. (Side mount type)
• Main panel failure. (Top mount type)
The Keyless Start System does not turn
ON even when the main switch is oper-
ated. The error sound (five short buzzer
beeps) IS
heard:
(If equipped with Keyless Start System)
• Key-fob is outside the operating range.
• Key-fob battery is dead.
• Key-fob is in OFF mode.
• The key-fob is not authenticated.
• Communication failure due to strong radio
wave or noise.
• Electric wiring connection failure between the
keyless control unit and outboard motor.
• Authentication error between the keyless
control unit and outboard motor.
• Abnormality exists in the electronic control
system of the engine.
The Keyless Start System does not turn
OFF even when the main switch is oper-
ated:
• Electric wiring connection is loose.
• Remote control box failure. (Side mount type)
• Main panel failure. (Top mount type)